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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (P0010 - P034B)) >> Diagnostic Information And Procedures >> DTC P0340, P0341, P0365, Or P0366: Intake/ Exhaust Camshaft Position Circuits >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify DTC P0641 or P0651 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Engine Running.
  4. Verify the scan tool parameters listed below increment:
    • Exhaust Camshaft Position Active Counter
    • Intake Camshaft Position Active Counter
    • If any counter does not increment 

      Refer to Circuit/System Testing.

    • Go to next step: If all counters increment 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  6. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • Go to next step: If the DTC does not set 
  7. All OK.
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